Warm Alcove upon Casting

#1b488c RGB(27,72,140)

About this color

Warm Alcove upon Casting is a dark blue with a vivid character, positioned at #1b488c on the color spectrum.

#1b488cRGB(27, 72, 140)

HSL 216° · 68% saturation · 33% lightness

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Psychology

In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.

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History

In Japanese aesthetics, blue — particularly indigo — has been a central colour for centuries: the slow-dyed textiles of Tokushima remain prized for their depth and permanence.

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Design use

From a design perspective, this shade excels as a primary background in dark themes, a strong border or divider, or a headline colour against a light surface. Combine with lighter tints of the same hue for a cohesive palette.

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Colour pairings

Looking at colour relationships, this blue pairs naturally with warm neutrals — tawny beiges, soft terracottas, aged brass — which amplify its cool character by contrast. Analogous blue-violets and blue-greens give a more cohesive, tonal result.

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Color Categories

Color formats

Name
Warm Alcove upon Casting
HEX
#1b488c
RGB
rgb(27,72,140)
RGB%
rgb(10.6%,28.2%,54.9%)
HSL
hsl(216,68%,33%)
HSV
hsv(216,81%,55%)
CMYK
cmyk(81,49,0,45)
LAB
lab(31,11,-42)
LCH
lch(31,43,285)
sRGB
(0.106,0.282,0.549)
HEX8
#1b488cff
CSS Name
Decimal
027072140

Similar colors

Color variants

Color info

Lightness
33%
Saturation
68%
Hue
216°
Chroma
43
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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